Granted Patent
Utility
US 6,164,080 · App. 09/373,301
Apparatus and method for flushing a refrigeration system
Inventors:
Arthur R. Mika, Charles Harkins
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Aug 12, 1999
Inventors
Arthur R. Mika
Charles Harkins
Assignee (at issue)
Hudson Technologies, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.